.el-dialog {
  display: flex;
  flex-direction: column;
  margin: 0 !important;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  /*height:600px;*/
  max-height: calc(100% - 30px);
  max-width: calc(100% - 30px);
  .el-dialog__body {
    flex: 1;
    overflow: auto;
  }
}
.el-dialog:not(.is-fullscreen) {
  margin-top: 0 !important;
}
